Rotary air preheater heat exchange element performance test system and method

A technology of heat exchange elements and test systems, which is applied in the testing of machine/structural components, testing of mechanical components, instruments, etc., can solve the problem of unsatisfactory results, waste, and failure to test the temperature of the heat exchange element of the rotary air preheater. And other issues

Pending Publication Date: 2019-04-16
HUADIAN ELECTRIC POWER SCI INST CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, the current transformation of rotary air preheaters often fails to achieve the expected results, resulting in huge waste
At present, the main reason for the clogging of rotary air preheater is the clogging of ammonium bisulfate. The clogging position of ammonium bisulfate has a great relationship with the temperature distribution of heat exchange elements, but there is currently no test for the temperature of heat exchange elements of rotary air preheater method

Method used

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  • Rotary air preheater heat exchange element performance test system and method
  • Rotary air preheater heat exchange element performance test system and method
  • Rotary air preheater heat exchange element performance test system and method

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0022] Example.

[0023] see Figure 1 to Figure 4 , the rotary air preheater heat exchange element performance test system in this embodiment includes a valve 1, a test box 3, a control system 8, a flue gas regulating baffle 10 and an air conditioning baffle 11; the test box 3 is used for The heat exchange element 2 is installed, and both ends of the test box body 3 are connected with the flue 9, and the flue 9 is divided into 4 branches respectively connected with the rotary air preheater inlet flue 12, the rotary air preheater outlet flue 13, The cold primary air duct 14 is connected with the hot secondary air duct 15, and the valve 1 is respectively installed in the rotary air preheater inlet flue 12, the rotar...

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Abstract

The invention relates to a rotary air preheater heat exchange element performance test system and method, and belongs to the technical field of new energy and energy conservation. At present, the mainreason for the blockage of the rotary air preheater is the blockage of ammonium bisulfate, the blocking position of the ammonium bisulfate is greatly related to the temperature distribution of the heat exchange element, but the method for testing the temperature of the heat exchange element of the rotary air pre-heater is not tested at present, so that the transformation of the rotary air pre-heater can not reach the expected effect, and huge waste is caused. The rotary air preheater heat exchange element performance test system comprises a valve, a test box body, a control system, a flue gasadjusting baffle plate, an air adjusting baffle plate and the like, test research and test can be carried out on the plate type to be adopted for modification in advance, and the resistance characteristic, the heat exchange property and the hydrogen sulfate ammonia deposition characteristic of the rotary type air preheater can be tested, the optimal experiment result is selected through the testresult, so that huge economic benefits can be obtained.

Description

technical field [0001] The invention relates to a performance test system and method for a heat exchange element of a rotary air preheater, belonging to the technical field of new energy and energy saving. Background technique [0002] The rotary air preheater can be divided into flue gas circulation side, air circulation side and sealing area along the direction of rotor rotation. In addition, the three-chamber rotary air preheater also divides the air side into primary air and secondary air. The circulation area, plus the sealing area in the middle of the three circulation areas, divides the rotor of the air preheater into six fan-shaped areas. The lower flue flows out to follow-up equipment such as dust removal; the air enters the air circulation area of ​​the rotary air preheater from the bottom up through the air duct, and flows out from the upper air duct to boiler equipment such as coal mills and combustion chambers. The air circulation area and the air circulation a...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 罗昌福杨博闻田平祁博武李鹏辉叶智孟凡垟沈诚
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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